code: def test_logical_not(self):
      self.check_unary("logical_not")
  
file_path: cupy/tests/cupy_tests/logic_tests/test_ops.py
imports: import unittest
  from cupy import testing
label_desc: Use image node_id 6 for calling the TestOps obj's underlying member method code with example usage: obj.test_logical_not() without return types